iphone 6 just icloud id needed, no password needed just the id please help

after update the iphone requested a different icloud id and not what i creeated for it when i bought it

the requested icloud is starting s●●●●●gmail com

I just want the icloud id nothing else

my iphone ifo is
Device IMEI: 354405065381306
Serial number: C7JNG0GCG5MF
Product description: iPhone 6 Gold 16GB
Device Type iPhone 6 (iPhone7,2)
iOS Version 9.3.1 (13E238)
UDID 90f1e173e55ee86fbe1eeaf7e1bbd176616c2cfb